-47.1% is the change from 811 to 429
Calculation steps:
[( 429 - 811 ) ÷ 811] x 100 = -47.1%
Formula
Percentage change = [(429 - 811) / 811] x 100
Subtract the new number by the original number
429 - 811 = -382
-382 ÷ 811 = -0.47102342786683105
-0.47102342786683105 x 100 = -47.1%